CORD-19:013ce450f63ae2496b92f987e35b55125a43947f / 3483-3799
Annnotations
Exposure of pigs to attenuated TGEV (TGEV-A), virulent TGEV (TGEV-V) or porcine respiratory coronavirus (PRCV) results in distinct disease patterns related to differences in virulence and tissue tropisms between the viruses (Table II) (Pensaert and Cox, 1989; Theil et al. (1978) Wesley , 1992; Saif et al., 1994b) .